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-rw-r--r--fs/internal.h2
-rw-r--r--fs/stat.c32
2 files changed, 21 insertions, 13 deletions
diff --git a/fs/internal.h b/fs/internal.h
index aa5d45524e87..88a9793f96a1 100644
--- a/fs/internal.h
+++ b/fs/internal.h
@@ -188,3 +188,5 @@ int sb_init_dio_done_wq(struct super_block *sb);
*/
unsigned vfs_stat_set_lookup_flags(unsigned *lookup_flags, int flags);
int cp_statx(const struct kstat *stat, struct statx __user *buffer);
+int do_statx(int dfd, const char __user *filename, unsigned flags,
+ unsigned int mask, struct statx __user *buffer);
diff --git a/fs/stat.c b/fs/stat.c
index 030008796479..65cf51fda2aa 100644
--- a/fs/stat.c
+++ b/fs/stat.c
@@ -567,6 +567,24 @@ cp_statx(const struct kstat *stat, struct statx __user *buffer)
return copy_to_user(buffer, &tmp, sizeof(tmp)) ? -EFAULT : 0;
}
+int do_statx(int dfd, const char __user *filename, unsigned flags,
+ unsigned int mask, struct statx __user *buffer)
+{
+ struct kstat stat;
+ int error;
+
+ if (mask & STATX__RESERVED)
+ return -EINVAL;
+ if ((flags & AT_STATX_SYNC_TYPE) == AT_STATX_SYNC_TYPE)
+ return -EINVAL;
+
+ error = vfs_statx(dfd, filename, flags, &stat, mask);
+ if (error)
+ return error;
+
+ return cp_statx(&stat, buffer);
+}
+
/**
* sys_statx - System call to get enhanced stats
* @dfd: Base directory to pathwalk from *or* fd to stat.
@@ -583,19 +601,7 @@ SYSCALL_DEFINE5(statx,
unsigned int, mask,
struct statx __user *, buffer)
{
- struct kstat stat;
- int error;
-
- if (mask & STATX__RESERVED)
- return -EINVAL;
- if ((flags & AT_STATX_SYNC_TYPE) == AT_STATX_SYNC_TYPE)
- return -EINVAL;
-
- error = vfs_statx(dfd, filename, flags, &stat, mask);
- if (error)
- return error;
-
- return cp_statx(&stat, buffer);
+ return do_statx(dfd, filename, flags, mask, buffer);
}
#ifdef CONFIG_COMPAT